Going that extra mile: individuals travel further to maintain face-to-face contact with highly related kin than with less related kin.

The theory of inclusive fitness has transformed our understanding of cooperation and altruism. However, the proximate psychological underpinnings of altruism are less well understood, and it has been argued that emotional closeness mediates the relationship between genetic relatedness and altruism....

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Bibliographic Details
Main Authors: Thomas V Pollet, Sam G B Roberts, Robin I M Dunbar
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2013-01-01
Series:PLoS ONE
Online Access:http://europepmc.org/articles/PMC3556071?pdf=render